Map: Stabbing at bus stop

PHOENIX -- Police have a suspect in custody following a stabbing in central Phoenix Tuesday morning.

The stabbing happened at the corner of Indian School Road and Central Avenue at about 7 a.m.

Phoenix police spokesman Sgt. Trent Crump said the suspect got off a city bus with other passengers and exchanged words with a man who was already standing on the corner. The suspect pulled out a knife and stabbed the man at least a couple of times then fled the area.

Witnesses rendered aid to the victim and gave police a description of the suspect.

Police officers detained a person matching witness descriptions.

The victim is in critical condition at a local hospital.

At this time, police do not know a motive or if the two men knew each other.